add expo, massively simplify svelte and solid examples

template/apps/<@if(eq(context.project.frontend,"svelte-kit"))>web/vite.config.ts

@@ -1,9 +1,6 @@
 import { sveltekit } from '@sveltejs/kit/vite';
 import { defineConfig } from 'vite';
-import tailwindcss from '@tailwindcss/vite'
+
 export default defineConfig({
-	plugins: [
-		tailwindcss(),
-		sveltekit(),
-	]
+	plugins: [sveltekit()]
 });